110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#include "../../gfx.h"
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#include <string.h>
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#if GFX_USE_OS_CMSIS
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void _gosHeapInit(void);
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void _gosInit(void)
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{
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#if !GFX_OS_NO_INIT
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osKernelInitialize();
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if (!osKernelRunning())
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osKernelStart();
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#elif !GFX_OS_INIT_NO_WARNING
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#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
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#warning "GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize() and osKernelStart() before gfxInit() in your application!"
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#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
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COMPILER_WARNING("GOS: Operating System initialization has been turned off. Make sure you call osKernelInitialize() and osKernelStart() before gfxInit() in your application!")
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#endif
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#endif
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// Set up the heap allocator
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_gosHeapInit();
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}
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void _gosPostInit(void)
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{
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}
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void _gosDeinit(void)
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{
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}
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void gfxMutexInit(gMutex* pmutex)
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{
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osMutexDef_t def;
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def.mutex = pmutex->mutex;
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pmutex->id = osMutexCreate(&def);
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}
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void gfxSemInit(gSem* psem, gSemcount val, gSemcount limit)
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{
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osSemaphoreDef_t def;
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def.semaphore = psem->semaphore;
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if (val > limit) val = limit;
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psem->available = limit - val;
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psem->id = osSemaphoreCreate(&def, val);
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}
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void gfxSemDestroy(gSem* psem)
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{
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osSemaphoreDelete(psem->id);
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}
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gBool gfxSemWait(gSem* psem, gDelay ms)
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{
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if (osSemaphoreWait(psem->id, ms) > 0) {
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psem->available++;
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return gTrue;
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}
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return gFalse;
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}
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gBool gfxSemWaitI(gSem* psem)
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{
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return gfxSemWait(psem, 0);
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}
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void gfxSemSignal(gSem* psem)
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{
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gfxSemSignalI(psem);
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}
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void gfxSemSignalI(gSem* psem)
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{
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if (psem->available) {
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psem->available--;
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osSemaphoreRelease(psem->id);
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}
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}
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gThread gfxThreadCreate(void* stackarea, gMemSize stacksz, gThreadpriority prio, GFX_THREAD_FUNCTION((*fn),p), void* param)
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{
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osThreadDef_t def;
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(void)stackarea;
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def.pthread = (os_pthread)fn;
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def.tpriority = prio;
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def.instances = 1;
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def.stacksize = stacksz;
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return osThreadCreate(&def, param);
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}
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gThreadreturn gfxThreadWait(gThread thread) {
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while(osThreadGetPriority(thread) == osPriorityError)
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gfxYield();
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}
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#endif /* GFX_USE_OS_CMSIS */
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